/* Comparer inputs */

.comparer-inputs {
  display: flex;
  gap: 0.75rem;
  align-items: flex-end;
  margin-bottom: 0.5rem;
}

.comparer-inputs .field {
  margin-bottom: 0;
  flex: 1;
}

.comparer-inputs .btn {
  white-space: nowrap;
}

@media (max-width: 768px) {
  .comparer-inputs {
    flex-direction: column;
    align-items: stretch;
  }
}

/* CSV preview table */

.csv-preview-container {
  margin-top: 1rem;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.csv-preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0.8rem;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.csv-preview-header > span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.csv-preview-header .preview-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.csv-preview-header .expand-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.65rem;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  cursor: pointer;
  font-family: var(--mono);
}

.csv-preview-header .expand-btn:hover {
  color: var(--text);
  border-color: var(--text-dim);
}

.csv-preview-header .tag {
  font-size: 0.65rem;
  padding: 0.15rem 0.5rem;
  border-radius: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tag-base {
  background: rgba(139, 92, 246, 0.15);
  color: var(--accent);
}

.tag-target {
  background: rgba(210, 153, 34, 0.15);
  color: var(--yellow);
}

.tag-output {
  background: rgba(63, 185, 80, 0.15);
  color: var(--green);
}

.csv-preview-footer {
  padding: 0.5rem 0.8rem;
  background: var(--bg-raised);
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.csv-preview-scroll {
  overflow: auto;
  max-height: 280px;
}

.csv-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
  white-space: nowrap;
}

.csv-table th {
  position: sticky;
  top: 0;
  background: var(--bg-raised);
  padding: 0.45rem 0.7rem;
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.csv-table td {
  padding: 0.35rem 0.7rem;
  border-bottom: 1px solid var(--border-light);
  color: var(--text);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.csv-table tr:hover td {
  background: var(--bg-hover);
}

.csv-table .row-num {
  color: var(--text-dim);
  font-size: 0.7rem;
  text-align: right;
  padding-right: 0.5rem;
  user-select: none;
  width: 40px;
}

/* Column highlights */

.col-missing {
  background: rgba(248, 81, 73, 0.1) !important;
  color: var(--red) !important;
}

.col-extra {
  background: rgba(210, 153, 34, 0.1) !important;
  color: var(--yellow) !important;
}

.col-added {
  background: rgba(63, 185, 80, 0.1) !important;
  color: var(--green) !important;
}

/* Side-by-side preview */

.preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.preview-grid.single {
  grid-template-columns: 1fr;
}

@media (max-width: 768px) {
  .preview-grid {
    grid-template-columns: 1fr;
  }
}

/* Diff list */

.diff-list + .diff-list {
  margin-top: 0.5rem;
}

.diff-list {
  margin-top: 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.diff-list-header {
  padding: 0.5rem 0.8rem;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}

.diff-list-scroll {
  max-height: 160px;
  overflow-y: auto;
}

.diff-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.8rem;
  font-size: 0.8rem;
  border-bottom: 1px solid var(--border-light);
}

.diff-item:last-child {
  border-bottom: none;
}

.diff-item .prefix {
  font-weight: 700;
  width: 1rem;
  text-align: center;
}

.diff-item.missing .prefix {
  color: var(--red);
}

.diff-item.extra .prefix {
  color: var(--yellow);
}

/* Filter conditions */

.conditions-list {
  margin-bottom: 1rem;
}

.condition-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  padding: 0.5rem 0.6rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.8rem;
}

@media (max-width: 768px) {
  .condition-row {
    flex-wrap: wrap;
  }
}

.condition-row select,
.condition-row input[type="text"] {
  padding: 0.35rem 0.5rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.78rem;
}

.condition-row select {
  min-width: 100px;
}

.condition-row .cond-value {
  flex: 1;
  min-width: 80px;
}

/* Column picker */

.cond-column-picker {
  position: relative;
  flex: 1;
  min-width: 120px;
}

.cond-column-picker .cond-column {
  width: 100%;
  cursor: pointer;
}

.cond-column-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 4px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 4px;
  z-index: 50;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.cond-column-dropdown .cond-column-search {
  width: 100%;
  padding: 0.4rem 0.5rem;
  background: var(--bg);
  border: none;
  border-bottom: 1px solid var(--border);
  border-radius: 4px 4px 0 0;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.78rem;
}

.cond-column-search:focus {
  outline: none;
}

.cond-column-list {
  max-height: 180px;
  overflow-y: auto;
}

.cond-column-option {
  padding: 0.35rem 0.5rem;
  font-size: 0.78rem;
  color: var(--text);
  cursor: pointer;
}

.cond-column-option:hover {
  background: var(--bg-hover);
}

.condition-row .condition-keyword {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  min-width: fit-content;
}

.condition-row .cond-case-label {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.68rem;
  color: var(--text-dim);
  white-space: nowrap;
  cursor: pointer;
}

.condition-row .cond-case-label input {
  accent-color: var(--accent);
  width: 12px;
  height: 12px;
}

.condition-row .remove-condition {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 1rem;
  padding: 0 0.3rem;
  line-height: 1;
}

.condition-row .remove-condition:hover {
  color: var(--red);
}

.condition-actions {
  margin-top: 0.5rem;
  margin-bottom: 1rem;
}

.add-condition-btn {
  font-size: 0.75rem;
  color: var(--accent);
  background: none;
  border: 1px dashed var(--border);
  padding: 0.35rem 0.7rem;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--mono);
}

.add-condition-btn:hover {
  border-color: var(--accent-dim);
  background: rgba(139, 92, 246, 0.05);
}

/* Replacer checkbox list */

.checkbox-list {
  max-height: 250px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.3rem;
  background: var(--bg);
}

.checkbox-item {
  display: block;
  padding: 0.3rem 0.5rem;
  font-size: 0.82rem;
  cursor: pointer;
  border-radius: 3px;
  color: var(--text);
}

.checkbox-item:hover {
  background: var(--bg-hover);
}

.checkbox-item input {
  accent-color: var(--accent);
  margin-right: 0.5rem;
}

/* Replacer values grid */

.values-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.4rem 0.7rem;
  align-items: center;
}

.values-grid label {
  font-size: 0.8rem;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

@media (max-width: 768px) {
  .values-grid {
    grid-template-columns: 1fr;
  }
}

.values-grid input {
  padding: 0.4rem 0.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.8rem;
}

.values-grid input:focus {
  outline: none;
  border-color: var(--accent-dim);
}